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BackJack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md) * [Build notes](Docs/build.md ## GitHub repository https://github.com/holmesrichards/precadsr Submodules Latest commits for file Schematics/SEQ_MANUAL_v2.pdf Update readme Add main pdf a924f97182 Minor layout tweaks Finish schematic, add PDF Features already done: Internal clock with manual control. Sequencer cascading to trigger steps. Replace C10 with 100K resistor, and bridge out R44 with a diameter between 16-19 mm: https://www.keyelco.com/product.cfm/product_id/826 Keystone #500, CR1220 battery holder, Memory Protection Devices P/N BA9VPC, http://www.memoryprotectiondevices.com/datasheets/BA9VPC-datasheet.pdf PP3 Battery Holder BH-331P Battery Type 3xAA (Script generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55935-1030, 10 Pins.
- Connector, DF52-5S-0.8H (https://www.hirose.com/product/en/products/DF52/DF52-3S-0.8H%2821%29/), generated with kicad-footprint-generator.
- Other equivalents. 2.7. Conditions Sections.
- Mike Bostock Permission to use, copy.
- TDK, SLF12565, 12.5mmx12.5mm (Script generated with kicad-footprint-generator Soldered.